If you're getting no air to compress in the chamber, you probably need to replace the leather washer. Unthread the plunger, replace the leather washer and add a touch of grease. Compatible with Silca brand pumps only.
Fits 28mm internal diameter Pista and Super Pista pumps (pre 2008)
Made from finest quality full grain leather
Produced by hand on the same equipment continuously since 1960
Hand crafted in Milan, Italy